40443693868611 has 48 divisors (see below), whose sum is σ = 68719825399680. Its totient is φ = 22654887408000.

The previous prime is 40443693868607. The next prime is 40443693868703. The reversal of 40443693868611 is 11686839634404.

40443693868611 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 3 + 6 + 9 + 3 + 8 + 6 + 8 + 611 = 666.

It is not a de Polignac number, because 40443693868611 - 2² = 40443693868607 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40443693868601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262132225 + ... + 262286466.

It is an arithmetic number, because the mean of its divisors is an integer number (1431663029160).

Almost surely, 2^{40443693868611} is an apocalyptic number.

40443693868611 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40443693868611 is a deficient number, since it is larger than the sum of its proper divisors (28276131531069).

40443693868611 is a wasteful number, since it uses less digits than its factorization.

40443693868611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524418768 (or 524418765 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 63.

The spelling of 40443693868611 in words is "forty trillion, four hundred forty-three billion, six hundred ninety-three million, eight hundred sixty-eight thousand, six hundred eleven".